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Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Other Assets |
December 31, |  | 2016 |  |  | 2015 |
Patents, at cost |  | $ | 6,525 |  |  | $ | 6,322 |
Accumulated amortization |  |  | (3,915 | ) |  |  | (3,629 | )
Deposits on capital items |  |  | 21,436 |  |  |  | 16,839 |
Software development costs, at cost |  |  | — |  |  |  | 2,057 |
Accumulated amortization |  |  | — |  |  |  | (1,792 | )
Other |  |  | 3,495 |  |  |  | 2,994 |
|  | $ | 27,541 |  |  | $ | 22,791 |

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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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